28" x 28" Cube Core Eggcrate Return Air Grille w32h32 + Product Details Size -

+ Product Details Size - 24"w X 6"h is the size for the duct opening measurement only

+ Product Details Size – 32"w X 22"h is the size for the duct opening measurement only

Actual Front End Outer Dimensions Are 26" Width X 8" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Size – 20"w X 36"h is the size for the duct opening measurement only

Actual Filter Size – 7 3/4"w x 7 3/4" x 1"

28" x 28" Cube Core Eggcrate Return Air Grille w32h32 + Product Details Size -+ Product Details Size 28" x 28" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 29. 75" X 29. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges.. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric